Mark has represented Fortune 500 companies including Alcoa, Arconic, AT&T, Caterpillar, Dow, Ericsson, ExxonMobil, Intel, and Western Union in federal and state courts across the country.

Mark serves as Chair of the Trade Secret Law Committee of AIPLA and on the Trade Secrets Steering Committee of the Sedona Conference. He litigates, speaks, and writes in that area regularly. He is also an editor of the firm's Trade Secrets Trends blog.

Mark is the creator of the firm's annual Litigation Forecast, a guide for in-house counsel managing litigation in the coming year.

Mark also serves as outside general counsel for the Hispanic Heritage Foundation and Adat Shalom.

Western Union v. Paymentus Group (2017). Counsel for Western Union in trade secret and poaching case. Obtained permanent injunction in Illinois federal court.

TCL v. Ericsson(2017). Counsel for Ericsson in first of its kind lawsuit alleging breach of FRAND licensing commitment on standard essential telecom patents. Won dismissal of antitrust claims in California federal court.

High frequency trading platform dispute (2017). Counsel in parallel New York and Boston arbitrations. Won eight figure award.

Matrix Markets et al. v. NEO Markets et al. (2016). Lead counsel in complex business control and ownership dispute. Won two TROs and defeated two TROs in span of five weeks in Texas state court.

Competitor poaching dispute (2014). Counsel for Fortune 100 company in non-compete and trade secret theft case against executive who joined key competitor. Won preliminary injunction in Illinois state court.

U.S. v. AT&T(2011). Represented AT&T in case brought by the United States and several states in D.C. federal court to prevent proposed merger with T-Mobile. Case dismissed and merger abandoned based upon FCC opposition.

Affiliations

Admitted to practice: District of Columbia, New York, and Connecticut; the U.S. Courts of Appeals for the D.C., First, Second, and Fourth Circuits; and many federal district courts